diff --git a/util/editenv.c b/util/editenv.c index eb2d0c03a..81f68bd10 100644 --- a/util/editenv.c +++ b/util/editenv.c @@ -30,13 +30,13 @@ #include #define DEFAULT_ENVBLK_SIZE 1024 +#define GRUB_ENVBLK_MESSAGE "# WARNING: Do not edit this file by tools other than "PACKAGE"-editenv!!!\n" void grub_util_create_envblk_file (const char *name) { FILE *fp; - char *buf; - char *namenew; + char *buf, *pbuf, *namenew; buf = xmalloc (DEFAULT_ENVBLK_SIZE); @@ -46,9 +46,13 @@ grub_util_create_envblk_file (const char *name) grub_util_error (_("cannot open `%s': %s"), namenew, strerror (errno)); - memcpy (buf, GRUB_ENVBLK_SIGNATURE, sizeof (GRUB_ENVBLK_SIGNATURE) - 1); - memset (buf + sizeof (GRUB_ENVBLK_SIGNATURE) - 1, '#', - DEFAULT_ENVBLK_SIZE - sizeof (GRUB_ENVBLK_SIGNATURE) + 1); + pbuf = buf; + memcpy (pbuf, GRUB_ENVBLK_SIGNATURE, sizeof (GRUB_ENVBLK_SIGNATURE) - 1); + pbuf += sizeof (GRUB_ENVBLK_SIGNATURE) - 1; + memcpy (pbuf, GRUB_ENVBLK_MESSAGE, sizeof (GRUB_ENVBLK_MESSAGE) - 1); + pbuf += sizeof (GRUB_ENVBLK_MESSAGE) - 1; + memset (pbuf , '#', + DEFAULT_ENVBLK_SIZE - sizeof (GRUB_ENVBLK_SIGNATURE) - sizeof (GRUB_ENVBLK_MESSAGE) + 2); if (fwrite (buf, 1, DEFAULT_ENVBLK_SIZE, fp) != DEFAULT_ENVBLK_SIZE) grub_util_error (_("cannot write to `%s': %s"), namenew,